[h323plus] Adding H263 codec to openmcu
Michael Bondi
mike at bridgeconference.co.za
Mon Jan 11 13:25:43 EST 2010
Hi Jan,
I tried the ffmpeg 0.4.7 patched version you sent but the following happens:
voyage:~/ffmpeg# make
make -C libavcodec all
make[1]: Entering directory `/root/ffmpeg/libavcodec'
gcc -O3 -Wall -fPIC -g -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64
-D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o msmpeg4.o msmpeg4.c
msmpeg4.c: In function 'msmpeg4_pred_dc':
msmpeg4.c:845: warning: pointer targets in assignment differ in signedness
msmpeg4.c: At top level:
msmpeg4.c:660: warning: 'ff_old_msmpeg4_dc_scale' defined but not used
wmv2.c:103: warning: 'wmv2_encode_end' defined but not used
wmv2.c:481: warning: 'ff_wmv2_decode_init' defined but not used
msmpeg4.c: In function 'msmpeg4_decode_dc':
msmpeg4.c:734: error: can't find a register in class 'BREG' while
reloading 'asm'
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
bswap.h:26: error: 'asm' operand has impossible constraints
common.h:281: error: 'asm' operand has impossible constraints
msmpeg4.c:734: error: 'asm' operand has impossible constraints
msmpeg4.c:698: error: 'asm' operand has impossible constraints
msmpeg4.c:698: error: 'asm' operand has impossible constraints
make[1]: *** [msmpeg4.o] Error 1
make[1]: Leaving directory `/root/ffmpeg/libavcodec'
make: *** [lib] Error 2
voyage 0.6.2
apt-get install flex bison build-essential subversion cvs pkg-config
Mike
Jan Willamowius wrote:
> Hi Michael,
>
> here's my patched ffmpeg source. Its really just a quick fix until the
> updated codec is ready.
>
> Regards,
> Jan
>
> Michael Bondi wrote:
>
>> Hi Jan,
>>
>> Any idea of when the new ffmpeg 0.5 will be able to be compiled with
>> h323 support?
>>
>> Are you able to supply me with your patched ffmpeg 0.4.7 so I can
>> continue with my current compilation with gcc 4.3, albeit an inelegant
>> solution?
>>
>> I'd like to learn how the openmcu works with your fantastic gnugk before
>> the day is over.
>>
>> Mike
>>
>> Jan Willamowius wrote:
>>
>>> Yes, the old ffmpeg code doesn't compile with gcc 4.x.
>>>
>>> Jan
>>>
>>> Michael Bondi wrote:
>>>
>>>
>>>> Hi Jan,
>>>>
>>>> It appears that I have ver 4.3 of gcc.
>>>>
>>>> Could that be the reason for the ffmpeg 0.4.7 make failure?
>>>>
>>>> Thanks
>>>>
>>>> Mike
>>>>
>>>>
>>>> Jan Willamowius wrote:
>>>>
>>>>
>>>>> I have a patched version of ffmpeg-0.4.7, that compiles with gcc 4.4.x,
>>>>> but there is work going on to let the H.323-ffmpeg plugin compile with
>>>>> current versions of ffmpeg, which is a much better solution.
>>>>>
>>>>> Regards,
>>>>> Jan
>>>>>
>>>>> Michael Bondi wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Thanks Prasad,
>>>>>>
>>>>>> I try install ffmpeg 0.4.7 from
>>>>>> http://www.voxgratia.org/bin/ffmpeg-0.4.7.tar.gz but I get the following:
>>>>>>
>>>>>> voyage:~/ffmpeg-0.4.7# make
>>>>>> make -C libavcodec all
>>>>>> make[1]: Entering directory `/root/ffmpeg-0.4.7/libavcodec'
>>>>>> gcc -O3 -Wall -g -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64
>>>>>> -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o common.o common.c
>>>>>> In file included from avcodec.h:14,
>>>>>> from common.c:27:
>>>>>> common.h:65: error: array type has incomplete element type
>>>>>> common.h:69: error: array type has incomplete element type
>>>>>> make[1]: *** [common.o] Error 1
>>>>>> make[1]: Leaving directory `/root/ffmpeg-0.4.7/libavcodec'
>>>>>> make: *** [lib] Error 2
>>>>>>
>>>>>> But I proceed and continue to configure and make and make install the
>>>>>> a/v pugins in the ~/h323plus/plugins directory.
>>>>>>
>>>>>> I create a directory ~/codecs and copy both
>>>>>> h263-ffmpeg_video_pwplugin.so and libavcodec.so (from the
>>>>>> libavcodec-0.4.7-linux.bin.tar.gz file) into there. I rename
>>>>>> libavcodec.so to avcodec
>>>>>>
>>>>>> I set export P_T_LIBPLUGINDIR=~/codecs (does this have to be
>>>>>> P_W_LIBPLUGINDIR ?????)
>>>>>>
>>>>>> I run openmcu and connect with Polycom PVX, and I see the video
>>>>>> window!! But the video has strange lines with pink and blue colours,
>>>>>> but it is the video from the webcam!
>>>>>>
>>>>>> I assume it may be because I do not have the ffmpeg 0.4.7 installed
>>>>>> correctly?
>>>>>>
>>>>>> I will have a look at installing ffmpeg 0.4.7 direct from ffmpeg site.
>>>>>>
>>>>>> So I am closer....
>>>>>>
>>>>>> Thanks again for the help.
>>>>>>
>>>>>> Mike
>>>>>>
>>>>>>
>>>>>> Prasad Mohire wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> HI Michael,
>>>>>>>
>>>>>>> I guess you have compiled PTLIB and H323plus and OpenMCU correctly.
>>>>>>> H323plus doesn't need ffmpeg. ffmpeg is needed by h323plus avplugin.
>>>>>>> You were able to hear audio because h323plus comes with G711 codecs.
>>>>>>> You will need to build H263 plugin separately.
>>>>>>>
>>>>>>> h263 plugin needs ffmpeg version 0.47. To install it:
>>>>>>> run ./configure --enable-shared, then make and make install in ffmpeg
>>>>>>> directory.
>>>>>>>
>>>>>>> Once that is done, download the plugins directory from h323plus.com
>>>>>>> <http://h323plus.com>.
>>>>>>> untar the direcory under h323plus directory so that you will have
>>>>>>> plugins directory under h323plus.
>>>>>>> Goto plugins directory.
>>>>>>> run ./configure
>>>>>>> You should see h263 : yes in output of configure script. This means it
>>>>>>> will build H.263 plugin. If it is 'no' there is something wrong with
>>>>>>> prerequisites i.e. ffmpeg. make sure that libavcodec.h file is in
>>>>>>> include path.
>>>>>>>
>>>>>>> once you see H.263: yes as output, run make and make install in
>>>>>>> plugins directory.
>>>>>>> create a directory to store the plugins. Set environment variable
>>>>>>> PWLIBPLUGINDIR pointing to that directory. Copy
>>>>>>> h323plus/plugins/video/h.263/h263-ffmpeg_video_pwplugin.so file to
>>>>>>> $PWLIBPLUGINDIR. Copy libavcoded.so to $PWLIBPLUGINDIR and rename it
>>>>>>> to avcodec.
>>>>>>>
>>>>>>> Now start openmcu, it should load with H.263 capability.
>>>>>>>
>>>>>>> File "C:\\traces.txt" will be created in directory from which you will
>>>>>>> start openmcu. You can see what all capabilities are added while
>>>>>>> openmcu is started in that file.
>>>>>>>
>>>>>>>
>>>>>>> Thanks and Regards,
>>>>>>> Prasad.
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Jan 8, 2010 at 3:32 PM, Michael Bondi
>>>>>>> <mike at bridgeconference.co.za <mailto:mike at bridgeconference.co.za>> wrote:
>>>>>>>
>>>>>>> Hi all and Happy 2010!
>>>>>>>
>>>>>>> This may have been asked before, but I cannot help myself but to
>>>>>>> ask again.
>>>>>>>
>>>>>>> I have compiled ptlib 2.4.5 and h323plus 1.21 and openmcu 2.2.5 on
>>>>>>> a Debian 5 machine.
>>>>>>>
>>>>>>> I am able to connect and hear the tones and message for connecting
>>>>>>> but am unable to get video on the screen.
>>>>>>>
>>>>>>> I have tried compiling h323plus with only the 0.4.7 ffmpeg
>>>>>>> libavcodec.so placed in a directory /root/codec and compiled with
>>>>>>> ./configure --enable-rfc2190avcodec=/root/ffmpeg switch, all
>>>>>>> compiles fine, but still no h.263 video. Is there any more I need
>>>>>>> to do here?
>>>>>>>
>>>>>>> Also, I am getting confused where to unpack and install the a/v
>>>>>>> plugins from file
>>>>>>> http://www.h323plus.org/source/download/plugins-v1_21_0.tar.gz
>>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> Mike
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>>
>>>
>>>
>
>
>
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